Remove extra whitespace

railties/guides/source/command_line.textile

@@ -150,7 +150,7 @@ $ rails generate controller Greetings hello
 
 </shell>
 
-What all did this generate?  It made sure a bunch of directories were in our application, and created a controller file, a view file, a functional test file, a helper for the view, a javascript file and a stylesheet file.
+What all did this generate? It made sure a bunch of directories were in our application, and created a controller file, a view file, a functional test file, a helper for the view, a javascript file and a stylesheet file.
 
 Check out the controller and modify it a little (in +app/controllers/greetings_controller.rb+):